Protecting Manufactured Homes from Floods and Other Hazards

Protecting Manufactured Homes from Floods and Other Hazards
A Multi-Hazard Foundation and Installation Guide

FEMA P-85, Second Edition - Published November 2009

This document provides guidance for the design and construction of alternative foundation systems for manufactured homes. Both the U.S. Department of Housing and Urban Development (HUD) and the National Flood Insurance Program (NFIP) require that foundation systems for manufactured homes located in Special Flood Hazard Areas prevent flotation, collapse, or lateral movement of the structure.

Topics include:

• Manufactured Home Characteristics
• Types of Foundation Systems
• Utilities and Mechanical Equipment
• Accessory Structures and Attachments
• Regulatory Requirements
  • NFIP Requirements in Riverine and Inland Flood Zones
  • Existing Manufactured Homes in Flood Hazard Areas
  • HUD Manufactured Home Construction, Safety and Installation Standards
  • Municipal Code Requirements
• Site and Development Options
• Natural Hazards and Design Considerations
• Soils
• Foundation Systems
• Recommended Design Process and Criteria for Manufactured Home Foundations in Flood Areas
• Recommended Foundations

Uploaded March 4, 2020